The table below looks at the statistics for CentOS skills in IT contracts advertised for the Berkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited CentOS over the 3 months to 29 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
29 Sep 2016
Same period 2015 Same period 2014
CentOS Linux
Rank 109 117 -
Rank change year-on-year
+8 -
Contract jobs citing CentOS 10 3 0
As % of all contract IT jobs located in Berkshire 0.45% 0.12% -
As % of the Operating Systems category 2.31% 0.60% -
Number of daily rates quoted 10 3 0
Median daily rate £466 £375 -
Median daily rate % change year-on-year
+24.33% -
UK excluding London median daily rate £425 £395 £375
% change year-on-year
+7.59% +5.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £13.50 £36.00 -
% change year-on-year
-62.50% -
CentOS
South East

The following table is for comparison with the above and provides statistics for the entire Operating Systems category in contract jobs advertised in the Berkshire region.

Operating Systems Category
Berkshire
Contract IT job ads with a match in the
Operating Systems category
433 498 521
As % of all contract IT jobs located in Berkshire 19.59% 19.89% 21.34%
Number of daily rates quoted 227 257 258
Median daily rate £388 £375 £325
Median daily rate % change year-on-year
+3.33% +15.38%
90% offered a daily rate of more than £213 £200 £200
10% offered a daily rate of more than £515 £500 £475
UK excluding London median daily rate £350 £350 £325
% change year-on-year
- +7.69%
Number of hourly rates quoted 24 48 40
Median hourly rate £20.00 £25.00 £17.07
Median hourly rate % change year-on-year
-20.00% +46.45%
90% offered a hourly rate of more than £12.50 £14.45 £11.00
10% offered a hourly rate of more than £45.00 £38.50 £42.50
UK excluding London median hourly rate £15.50 £16.50 £16.50
% change year-on-year
-6.06% -

CentOS
Jobs Demand Trend in Berkshire

The demand trend of contract jobs across the Berkshire region citing CentOS as a proportion of all IT contracts with a match in the Operating Systems category.

CentOS Jobs Demand Trend in Berkshire

CentOS
Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing CentOS across the Berkshire region.

CentOS Daily Rate Trend in Berkshire

CentOS
Daily Rate Histogram in Berkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing CentOS across the Berkshire region over the 3 months to 29 September 2016.

CentOS Daily Rate Histogram in Berkshire

CentOS
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing CentOS within the Berkshire region over the 3 months to 29 September 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Reading +25 4 £438 +16.66% 4
Maidenhead -9 1 £500 +31.57%
Slough - 1 £470 - 2
Windsor - 1 £550 -
CentOS
South East

CentOS
Top 30 Related IT Skills in Berkshire

For the 6 months to 29 September 2016, IT contractor jobs citing CentOS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Berkshire region with a requirement for CentOS.

1 16 (100.00%) Linux
2 14 (87.50%) Red Hat
3 13 (81.25%) Puppet
4 11 (68.75%) Opscode Chef
5 9 (56.25%) Cisco
6 8 (50.00%) Red Hat Enterprise Linux
7 7 (43.75%) vSphere
7 7 (43.75%) EMC VNX
7 7 (43.75%) EMC
7 7 (43.75%) Python
8 6 (37.50%) VMware
8 6 (37.50%) Cisco Nexus
9 5 (31.25%) Jenkins
9 5 (31.25%) DevOps
9 5 (31.25%) Sonatype Nexus
9 5 (31.25%) Configuration Management
9 5 (31.25%) Nagios
9 5 (31.25%) Perl
9 5 (31.25%) ITIL
10 4 (25.00%) Finance
10 4 (25.00%) Firewall
10 4 (25.00%) Ansible
11 3 (18.75%) Continuous Improvement
11 3 (18.75%) Ubuntu
11 3 (18.75%) Bash Shell
11 3 (18.75%) Service Management
12 2 (12.50%) Cisco Certification
12 2 (12.50%) RHCE
12 2 (12.50%) CCNP
12 2 (12.50%) CCNA

CentOS
Top Related IT Skills in Berkshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 2 (12.50%) OpenStack
2 1 (6.25%) Apache
2 1 (6.25%) SAS
Cloud Services
1 2 (12.50%) Amazon AWS
1 2 (12.50%) GitHub
2 1 (6.25%) PaaS
Communications & Networking
1 6 (37.50%) Cisco Nexus
2 4 (25.00%) Firewall
3 1 (6.25%) DHCP
3 1 (6.25%) DNS
3 1 (6.25%) Fibre Channel
3 1 (6.25%) HTTP
3 1 (6.25%) IMAP
3 1 (6.25%) iSCSI
3 1 (6.25%) LDAP
3 1 (6.25%) MPLS
3 1 (6.25%) MRTG
3 1 (6.25%) SMTP
Database & Business Intelligence
1 2 (12.50%) Big Data
1 2 (12.50%) Hadoop
2 1 (6.25%) PostgreSQL
Development Applications
1 5 (31.25%) Jenkins
1 5 (31.25%) Sonatype Nexus
2 2 (12.50%) Hudson
2 2 (12.50%) Subversion
General
1 4 (25.00%) Finance
2 1 (6.25%) Billing
2 1 (6.25%) Telecoms
Job Titles
1 6 (37.50%) Administrator
2 5 (31.25%) Linux Administrator
3 4 (25.00%) Senior Systems Engineer
3 4 (25.00%) Systems Administrator
3 4 (25.00%) Systems Engineer
4 3 (18.75%) DevOps Engineer
4 3 (18.75%) Linux Engineer
4 3 (18.75%) Linux Systems Administrator
4 3 (18.75%) Linux/Unix DevOps
4 3 (18.75%) Senior DevOps
4 3 (18.75%) Senior Linux Administrator
4 3 (18.75%) Senior Linux Systems Administrator
4 3 (18.75%) Senior Systems Administrator
5 2 (12.50%) Designer
5 2 (12.50%) DevOps Administrator
5 2 (12.50%) Infrastructure Designer
5 2 (12.50%) Linux DevOps Administrator
5 2 (12.50%) Senior Linux Engineer
6 1 (6.25%) EMC Engineer
6 1 (6.25%) Senior Cisco Engineer
Libraries, Frameworks & Software Standards
1 1 (6.25%) Web Services
Miscellaneous
1 7 (43.75%) EMC VNX
2 2 (12.50%) Data Centre
3 1 (6.25%) Enterprise Cloud
3 1 (6.25%) Freedom of Information
3 1 (6.25%) Freedom of Information Act
3 1 (6.25%) Management Information System
3 1 (6.25%) Public Cloud
Operating Systems
1 16 (100.00%) Linux
2 8 (50.00%) Red Hat Enterprise Linux
3 3 (18.75%) Ubuntu
4 2 (12.50%) Debian
4 2 (12.50%) Solaris
4 2 (12.50%) Unix
5 1 (6.25%) Fedora
5 1 (6.25%) Mac OS
5 1 (6.25%) Windows
Processes & Methodologies
1 5 (31.25%) Configuration Management
1 5 (31.25%) DevOps
1 5 (31.25%) ITIL
2 3 (18.75%) Continuous Improvement
2 3 (18.75%) Service Management
3 1 (6.25%) Continuous Integration
3 1 (6.25%) CRM
3 1 (6.25%) Data Protection
3 1 (6.25%) Project Management
3 1 (6.25%) Risk Management
3 1 (6.25%) SOA
3 1 (6.25%) Software Engineering
3 1 (6.25%) TOGAF
Programming Languages
1 7 (43.75%) Python
2 5 (31.25%) Perl
3 3 (18.75%) Bash Shell
4 2 (12.50%) Ruby
5 1 (6.25%) C
5 1 (6.25%) Korn
5 1 (6.25%) Shell Script
5 1 (6.25%) SQL
Qualifications
1 2 (12.50%) CCNA
1 2 (12.50%) CCNP
1 2 (12.50%) Cisco Certification
1 2 (12.50%) RHCE
1 2 (12.50%) RHCSA
1 2 (12.50%) VMware Certified Professional (VCP)
2 1 (6.25%) SC Cleared
2 1 (6.25%) Security Cleared
Quality Assurance & Compliance
1 1 (6.25%) SLA
System Software
1 7 (43.75%) vSphere
2 2 (12.50%) VMware Infrastructure
3 1 (6.25%) Ceph
3 1 (6.25%) Docker
3 1 (6.25%) Dovecot
3 1 (6.25%) iptables
3 1 (6.25%) KVM
3 1 (6.25%) Sendmail
3 1 (6.25%) Squid
Systems Management
1 13 (81.25%) Puppet
2 11 (68.75%) Opscode Chef
3 5 (31.25%) Nagios
4 4 (25.00%) Ansible
5 1 (6.25%) Cacti
5 1 (6.25%) HAProxy
5 1 (6.25%) Oracle ZFS
5 1 (6.25%) RANCID
Vendors
1 14 (87.50%) Red Hat
2 9 (56.25%) Cisco
3 7 (43.75%) EMC
4 6 (37.50%) VMware
5 2 (12.50%) Remedy
6 1 (6.25%) Salesforce.com